#!/usr/bin/env node

const cp = require('child_process');

console.log(`I'm father process: ${process.pid}`);

let son = cp.fork('./11-ipc-child.js'),
    dau = cp.fork('./11-ipc-child.js');

son.on('message',(data) => {
  console.log(`I have a son: ${data}`);
});

dau.on('message',(data) => {
  console.log(`I have a dau: ${data}`);
});

setTimeout(() => {
  son.send('Good Good Study');
},2000);

setTimeout(() => {
  dau.send('Day Day Up');
},3000);

setTimeout(() => {
  son.kill('SIGINT');
  dau.kill('SIGINT');
},5000);
